Dec 14, 2016 Written by: MasterC

ASUS Announces Xonar U7 MKII

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Upgrade the sound on your laptop or even desktop with the Xonar U7 MKII and you'll get true 7.1- channel surround sound, dedicated and precise volume control at your fingertips, and an on-screen overlay for a competitive edge in FPS (first-person shooter) games. Xonar U7 MKII is a USB sound card and headphone amplifier, play movies, music and games in high fidelity with up to 192kHz/24-bit output. 


The compact package size allows you to take it anywhere along with your headphones/headset. Inside features the Cirrus Logic CS4398 digital-to-analog converter (DAC) and exclusive ASUS Hyper Grounding technology, to push high-quality sound into your headphones with 114dB signal-to-noise ratio (SNR).

Those of you who still love your existing surround-sound home theater amplifier, but it doesn't have HDMI inputs, here is your solution. You could use the analog outputs (two RCA and three 3.5mm stereo), or go digital for the best possible quality using the SPDIF output. 


Once hooked up, the dedicated volume control can be placed in an easy to reach position for precise control. Sonic Radar Pro is a powerful sound utitlity bundled to give you control over individual channels, equalization (EQ), and displays on-screen information while gaming to help you locate your enemies faster.

You can also check out ROG Centurion for true 7.1-channel surround sound built into the headset, or ROG Strix Wireless for total freedom without cables.

Press Release

ASUS Announces Xonar U7 MKII

Compact, USB-powered soundcard and headphone amplifier features true 7.1-channel, 192kHz/24-bit HD surround sound, with Sonic Studio for full and intuitive audio control



  • ASUS Xonar U7 MKII USB sound card delivers incredible audio performance with true 7.1-channel, 192kHz/24-bit HD surround-sound output
  • Dedicated headphone and microphone controls let users make instant audio adjustments for great gaming and media streaming experiences
  • Sonic Radar Pro precisely maps in-game sounds and displays them on an on-screen overlay for a competitive edge in first-person shooters


Taipei, Taiwan (14th December, 2016) — ASUS today announced Xonar U7 MKII, a high-quality USB sound card and headphone amplifier. The compact Xonar U7 MKII is an upgraded version of the acclaimed Xonar U7 and features true 7.1-channel,192kHz/24-bit high-definition (HD) surround-sound output for incredible audio performance. Xonar U7 MKII comes with ASUS Sonic Studio, a software utility with an intuitive single-screen interface that provides complete control over a wide range of audio features, and Sonic Radar Pro, a feature for gamers that visually maps in-game sounds in first-person shooter (FPS) games to provide a competitive advantage.


Compact size, spectacular sound

ASUS Xonar U7 MKII retains the compact USB-powered design that was a highlight of the original Xonar U7 and delivers true 7.1-channel, 192kHz/24-bit HD audio, outperforming most available USB-powered audio devices. With a high-quality Cirrus Logic CS4398 digital-to-analog converter (DAC) and exclusive ASUS Hyper Grounding technology, Xonar U7 MKII has a 114dB signal-to-noise ratio (SNR), ensuring ultra-pure sound for the best listening experiences.

The small size of Xonar U7 MKII takes up minimal room on a desk, and makes it easily portable, so laptop users can enjoy great-sounding audio anywhere.


Enhanced gaming and media streaming

ASUS Xonar U7 MKII is great for gaming and media streaming with dedicated headphone and microphone controls that let users make instant audio adjustments without interrupting their game or entertainment. The master volume control knob doubles as an output selector, so users can keep their speakers and headphones connected and conveniently switch between them with a simple click of a button. Additionally, USB connectivity enables both laptop and desktop users to easily upgrade their system's audio performance and enjoy incredible gaming and media streaming experiences.


Complete and intuitive audio control

ASUS Xonar U7 MKII comes with Sonic Studio, a full-featured and easy-to-use sound utility that gives users complete control over a wide range of audio features, such as equalization (EQ) and 7.1 surround speaker level-balancing. Unlike typical audio utilities with multi-screen interfaces that make configuration complicated and time-consuming, Sonic Studio has an intuitive all-in-one view that puts all the necessary audio controls on a single screen to make adjustments fast and easy.

Sonic Studio also includes controls for Sonic Radar Pro, a unique feature that precisely maps in-game sounds — such as footsteps and gunshots — and displays them on an on-screen overlay, so gamers can pinpoint their enemies for a competitive advantage in FPS games. Sonic Studio is fully compatible with Windows 10.



Please contact your local ASUS representative for further information.



Audio Performance

Output signal-to-noise ratio

Up to 114dB

Input signal-to-noise ratio


Output total harmonic distortion + noise at 1khz (A-weighted)

Up to 0.0006% (104dB)

Input total harmonic distortion + noise at 1kHz (A-weighted)

Up to 0.001% (-100dB)

Frequency response
(-3dB, 24-bit/96kHz input )

<10Hz to 46kHz

Output/input full-scale voltage

Rear output (Speaker) 1Vrms (2.828 Vp-p)

Headphone 1.3Vrms (3.677 Vp-p)

Line-in 1Vrms (3.677Vp-p)

Bus Compatibility

USB audio class

USB audio class 2.0 for all functions

USB audio class 1.0 for playback

Main Chipset Sensors

Audio processor

CMedia 6632AX

High-performance sound processor

(Max. 192KHz/24-bit)

D-A converter (digital sources)

1 x Cirrus CS4398 (120dB SNR, Max. 192kHz/24-bit)

1 x Cirrus CS4362 (114dB SNR, Max. 192kHz/24-bit)

A-D converter (analog input)

1x Cirrus CS5361 (114dB SNR, Max. 192kHz/24-bit)



Sample Rate and Resolution

Analog playback sample rate and resolution

44.1K/48K/88.2K/96K/172.4K/192KHz @ 16/24-bit

Analog recording sample rate and resolution

44.1K/48K/88.2K/96KHz/172.4K/192K @ 16/24-bit

S/PDIF digital output

44.1K/48K/88.2K/96K/172.4K/192KHz @ 16/24-bit

ASIO 2.0 driver support

44.1K/48K/88.2K/96K/172.4K/192KHz @ 16/24-bit

I/O Ports

Analog output jack

3 x 3.5mm mini-jack for surround-sound output

(front / side / center-subwoofer / back)

1 x 3.5mm mini-jack for headphones

Analog input jack

3.50mm mini jack (line-in/mic-in)


Output Volume / Headphones / Speaker Select / Microphone Volume

Digital S/PDIF output

High-bandwidth optical/coaxial connector supports 192khz/24-bit

Front-panel audio header


Driver Features

Operating system

Windows 10/8.1/7(32/64-bit)




About ASUS

ASUS is a worldwide top-three consumer notebook vendor and maker of the world’s best-selling, most award-winning motherboards. A leading enterprise in the new digital era, ASUS designs and manufactures products that perfectly meet the needs of today’s digital home and office, with a broad portfolio that includes motherboards, graphics cards, optical drives, displays, desktop and all-in-one PCs, notebooks, netbooks, servers, multimedia devices, wireless solutions, networking devices, tablets, smartphones and wearables. Driven by innovation and committed to quality, ASUS won 4,368 awards in 2015 and is widely credited with revolutionizing the PC industry with its Eee PC. ASUS has more than 17,000 employees around the globe with a world-class R&D team of over 5,500 engineers. Company revenue for 2015 was approximately US$14 billion.


[1] Specifications, content and product availability are all subject to change without notice and may differ from country to country. Actual performance may vary depending on applications, usage, environment and other factors. Full specifications are available at

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